Exterior surface of a combined vehicle sliding door interior grab handle and thumb button door latch release



FIG. 1 is a front and left side perspective view of an exterior surface of a combined vehicle sliding door interior grab handle and thumb button door latch release showing our new design, the fragmentary broken-line disclosure of a portion of the a vehicle sliding door being for illustrative purposes only and forming no part of the claimed design, and the top, bottom, and rear being plain and unornamented;

FIG. 2 is a front elevational view thereof;

FIG. 3 is a left side elevational view thereof; and,

FIG. 4 is a right side elevational view thereof. 

The ornamental design for an exterior surface of a combined vehicle sliding door interior grab handle and thumb button door latch release, as shown and described. 